US3291630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating cylindrical articles with thermoplastic material
Assignee: Motors Liquidation Co
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Filing: 1961-07-21
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Granted: 1966-12-13
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Expires: 1981-07-21
Abstract
No abstract record available.
Inventors
- 👤 Olin H Deyle
- 👤 Patterson Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:18
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/14; B05B7/1404; B05B13/00; B05B13/02; B05B13/0221; B05B14/00; B05B14/40; B05B14/48; B05B15/00; B05B15/80; B05B7/1472; B05B7/1477; B05D; B05D1/00; B05D1/02; B05D1/12; B05D1/002; B05D3/00; B05D3/02; B05D3/0218; B05D3/0254; B05D3/04; B05D3/0406; B05D3/042; Y; Y10; Y10S; Y10S118/00; Y10S118/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
THE METHOD OF COATING THE END SURFACES OF A CYLINDRICAL ARTICLE WITH A COATING OF THERMOPLASTIC MATERIAL WHEREIN THE ARTICLE IS HEATED TO A TEMPERATURE ABOVE THE MELTING POINT OF THE PLASTIC COATING MATERIAL COMPRISING THE STEPS OF FORMING A SUSPENSION OF PARTICLES OF THE THERMOPLASTIC COATING MATERIAL IN A GASOUS STREAM, DI8VIDING SAID STREAMS INTO AT LEAST TWO PORTIONS, DIRECTING THE STREAMS IN OPPOSITE DIRECTIONS AXIALLY AGAINST OPPOSED END SURFACES OF SAID CYLINDERICAL ARTICLE WITH THE ARTICLE DISPOSED WITHIN A CHAMBER, EFFECTING RELATIVE ROTATION BETWEEN SAID OPPOSITELY DIRECTED STREAMS AND SAID ARTICLES TO COAT THE END SURFACES THEREOF, AND REMOVING THE EXCESS COATING PARTICLES SURROUNDING THE ARTICLE WITHIN THE CHAMBER BY EXHAUSTING THE AIR THEREFROM SO AS TO PREVENT COATING THE OUTER PERIPHERY OF SAID CYLINDERICAL ARTICLE.
Claim 2
Independent Claim
128 words
THE METHOD OF COATING THE END SURFACES OF A CYLINDRICAL ARTICLE WITH A COATING OF THERMOPLASTIC MATERIAL WHEREIN THE ARTICLE IS HEATED TO A TEMPERATURE ABOVE THE MELTING POINT OF THE PLASTIC COATING MATERIAL COMPRISING THE STEPS OF FORMING A SUSPENSION OF PARTICLES OF THE THERMOPLASTIC COATING MATERIAL IN A GASOUS STREAM, DI8VIDING SAID STREAMS INTO AT LEAST TWO PORTIONS, DIRECTING THE STREAMS IN OPPOSITE DIRECTIONS AXIALLY AGAINST OPPOSED END SURFACES OF SAID CYLINDERICAL ARTICLE WITH THE ARTICLE DISPOSED WITHIN A CHAMBER, EFFECTING RELATIVE ROTATION BETWEEN SAID OPPOSITELY DIRECTED STREAMS AND SAID ARTICLES TO COAT THE END SURFACES THEREOF, AND REMOVING THE EXCESS COATING PARTICLES SURROUNDING THE ARTICLE WITHIN THE CHAMBER BY EXHAUSTING THE AIR THEREFROM SO AS TO PREVENT COATING THE OUTER PERIPHERY OF SAID CYLINDERICAL ARTICLE.
References Cited (Backward Citations)
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US2572515A
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US2758564A
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US2919160A
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US3093510A
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US2907299A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |